Home / 1,151,489.98-1,728,731.69-885,437.32

Finding the Fourth Proportional to 1,151,489.98, 1,728,731.69 and 885,437.32

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Solution

The fourth proportional to 1,151,489.98, 1,728,731.69 and 885,437.32 is: 1,329,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,489.98 : 1,728,731.69 = 885,437.32 : x
  2. Step 2: Convert to fraction form
    1,151,489.98/1,728,731.69 = 885,437.32/x
  3. Step 3: Cross multiply
    1,151,489.98x = 1,728,731.69 × 885,437.32
  4. Step 4: Simplify right side
    1,151,489.98x = 1,530,683,554,592.67
  5. Step 5: Solve for x
    x = 1,530,683,554,592.67/1,151,489.98
  6. Step 6: Final answer
    x = 1,329,306.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.